HHH-9784 Scroll method does not support provided HQLQueryPlan

(cherry picked from commit 09127bf)

Author: reda-alaoui

hibernate-core/src/main/java/org/hibernate/internal/SessionImpl.java

@@ -1344,7 +1344,12 @@ public Iterator iterate(String query, QueryParameters queryParameters) throws Hi
 	public ScrollableResults scroll(String query, QueryParameters queryParameters) throws HibernateException {
 		errorIfClosed();
 		checkTransactionSynchStatus();
-		HQLQueryPlan plan = getHQLQueryPlan( query, false );
+		
+		HQLQueryPlan plan = queryParameters.getQueryPlan();
+		if (plan == null) {
+			plan = getHQLQueryPlan( query, false );
+		}
+		
 		autoFlushIfRequired( plan.getQuerySpaces() );
 		dontFlushFromFind++;
 		try {